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Show record counter of CA cursor
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows Server 2012
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Divers
Thread ID:
01612016
Message ID:
01612026
Vues:
58
>>>Hi,
>>>I need to show "record" counter for the CursorAdapter cursor; for example, "Record 1 of 100."
>>>I cannot use recno() because the cursor is indexed and recno() does not show in a sequential order.
>>>I tried to add a "dummy" column to the CA cursor. But I get message that this operation is not allowed for buffered cursor. When I tried to set the buffering to 1 (using CURSORSETPROP("Buffering", 1, "CA_ALIAS") I get message that "Operation is not allowed for CursorAdapter"
>>>The only option remaining (as far as I can think of) is to add a "dummy" column to the table and use it to assign sequential numbers. Even though the table is not very large, it would waste database space (this is SQL Server database).
>>>Any suggestions on how else I can accomplish this?
>>
>>
>>Instead of CURSORSETPROP("Buffering", 1, "CA_ALIAS") try to use CURSORSETPROP("Buffering", 3, "CA_ALIAS").
>
>Yes, changing from 1 to 3 allows the CURSORSETPROP() to be executed without an error. However, when I do ALTER TABLE ADD COLUMN ... I get error message that "Function is not supported on remote tables." So I am back to considering a "dummy" column.
>Thank you for your help.

Add this field in SelectCmd property of the CA (if you use CursorSchema add it there also) :
Do not add it in Update... lists properties.
this.SelectCmd = "SELECT ...., CAST(0 as int) AS RecNum FROM ..."
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.
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